ergo
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Truncation of general matrices with impact on matrix triple multiply as error measure. More...
#include <truncation.h>
Public Member Functions | |
EuclTruncationCongrTransMeasure (Tmatrix &A_, TmatrixB const &B_) | |
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EuclTruncationGeneral (Tmatrix &A_) | |
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EuclTruncationBase (Tmatrix &A_) | |
Treal | run (Treal const threshold) |
virtual | ~EuclTruncationBase () |
Protected Member Functions | |
virtual void | getFrobTruncBounds (Treal &lowTrunc, Treal &highTrunc, Treal const threshold) |
virtual Interval< Treal > | euclIfSmall (Treal const absTol, Treal const threshold) |
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virtual void | getFrobSqNorms (std::vector< Treal > &frobsq_norms) |
virtual void | frobThreshLowLevel (Treal const threshold) |
Protected Attributes | |
TmatrixB const & | B |
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Tmatrix & | A |
Tmatrix | E |
Truncation of general matrices with impact on matrix triple multiply as error measure.
Truncation of a matrix A giving a truncated matrix At = A + E such that the norm of the congruently transformed error matrix ||E^T * B * E + E^T * B * A + A^T * B * E||_2 < threshold
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inline |
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protectedvirtual |
Reimplemented from mat::EuclTruncationGeneral< Tmatrix, Treal >.
References A, B, mat::euclIfSmall(), mat::Interval< Treal >::length(), mat::Interval< Treal >::midPoint(), and template_blas_sqrt().
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protectedvirtual |
Reimplemented from mat::EuclTruncationGeneral< Tmatrix, Treal >.
References A, B, and template_blas_sqrt().
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protected |